tsconfig.json

{
    "compilerOptions": {
        "target": "es2020" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
        "jsx": "react" /* Specify what JSX code is generated. */,
        "module": "commonjs" /* Specify what module code is generated. */,
        "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
        "resolveJsonModule": true /* Enable importing .json files */,
        "allowJs": true /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */,
        "sourceMap": true /* Create source map files for emitted JavaScript files. */,
        "outDir": "./tmp/server" /* Specify an output folder for all emitted files. */,
        "downlevelIteration": true /* Emit more compliant, but verbose and less performant JavaScript for iteration. */,
        "isolatedModules": true /* Ensure that each file can be safely transpiled without relying on other imports. */,
        "allowSyntheticDefaultImports": true /* Allow 'import x from y' when a module doesn't have a default export. */,
        "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */,
        "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
        "strict": false /* Enable all strict type-checking options. */,
        "strictNullChecks": false /* When type checking, take into account `null` and `undefined`. */,
        "skipLibCheck": true /* Skip type checking all .d.ts files. */,
        "rootDir": "./",
        "useDefineForClassFields": true,
        "strictPropertyInitialization": false
    },
    "include": ["./**/*"]
}